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CSB 调查 报告号 2008-06-I-WV 2008 年 安全 Safety 环境 Environmental
Bayer CropScience MIC 释放
Bayer CropScience, Institute WV
关联设备 → 储罐 (storage_tank)关联设备 → 反应器 (reactor)
0死亡
1受伤
超压破裂机理码 STD
⌗失效模式 · ISO 14224 对接
损伤机理（本库记录）
超压破裂STD
ISO 功能码（源记录）
ISO 14224:2016 功能失效码
STD · 结构缺陷/机械失效
源字段 STD 与本案『脆性断裂/氧点蚀破裂』语义吻合，保留。
1发生了什么

废水处理釜（MITC）超压破裂→甲基异氰酸酯释放

2根本原因

废料釜超压+泄压系统堵塞+隔离不足

3可靠性启示（基于调查根因整理）
  • 废料釜超压
  • 泄压系统堵塞
  • 隔离不足
4关联失效机理（关键词）
超压 储罐 反应 甲基异氰酸酯 泄漏 罐壁减薄 内部腐蚀减薄
关于失效模式码（点开）

本卡记录码 STD 即 ISO 14224:2016 功能失效码（描述「设备没做成什么」）。损伤机理（描述「怎么坏的」）见上方对接块。两者是 ISO 14224 的两个不同维度。

5证据来源（透明标注）
权威机构：U.S. Chemical Safety and Hazard Investigation Board (CSB)
官方报告：www.csb.gov ↗
数据核验：verified_url_csb_sitemap
↗关联失效模式 · 可追溯链
疲劳断裂 (Fatigue Fracture) fatigue_fracture弯曲变形 (Bending) bending键槽磨损/裂纹 (Keyway Wear) keyway_wear腐蚀/冲蚀 (Corrosion/Erosion) corrosion_erosion桨叶裂纹 (Blade Crack) blade_crack桨叶脱落 (Blade Detachment) blade_detachment搪玻璃爆瓷/破损 (Glass-lining Damage) glass_lining_damage齿轮磨损/点蚀 (Gear Wear/Pitting) gear_wear_pitting轴承失效 (Bearing Failure) bearing_failure油封泄漏 (Oil Seal Leak) oil_seal_leak内部腐蚀减薄 (Internal Corrosion Thinning) internal_corrosion_thinning应力腐蚀开裂 (SCC) scc焊缝裂纹 (Weld Crack) weld_crack搪玻璃层破损 (Glass-lining Failure) glass_lining_failure腐蚀 (Corrosion) corrosion地脚螺栓松动 (Anchor Bolt Loosening) anchor_bolt_loosening端面磨损 (Face Wear) face_wearO圈老化 (O-ring Aging) o_ring_aging弹簧失效 (Spring Failure) spring_failure辅助密封泄漏 (Secondary Seal Leak) secondary_seal_leak干运转烧毁 (Dry-running Burn) dry_running_burn冲洗液中断/压力不足 (Flush Loss) flush_loss过滤器堵塞 (Filter Clogging) filter_clogging垫片老化/蠕变泄漏 (Gasket Aging) gasket_aging法兰面腐蚀 (Flange Face Corrosion) flange_face_corrosion夹套内腐蚀 (Jacket Corrosion) jacket_corrosion夹套结垢→传热效率下降 (Jacket Fouling) jacket_fouling半管焊缝泄漏 (Half-pipe Weld Leak) half_pipe_weld_leak盘管腐蚀穿孔 (Coil Perforation) coil_perforation盘管振动疲劳 (Vibration Fatigue) vibration_fatigue支撑松动 (Support Loosening) support_loosening起跳值偏移 (Set Point Drift) set_point_drift阀座泄漏 (Seat Leakage) seat_leakage疲劳提前爆破 (Premature Rupture) premature_rupture背压侧腐蚀 (Backside Corrosion) backside_corrosion泄放管线堵塞 (Vent Line Blockage) vent_line_blockage淬灭系统失效 (Quench System Failure) quench_system_failure传感器漂移 (Sensor Drift) sensor_drift套管腐蚀穿孔 (Thermowell Corrosion) thermowell_corrosion隔膜破损/堵塞 (Diaphragm Failure) diaphragm_failure引压管堵塞 (Impulse Line Blockage) impulse_line_blockage引压管堵塞 (Impulse Line Blockage) impulse_line_blockage_2结垢/挂料→误指示 (Coating→False Reading) coating_false_reading电极污染/老化 (Electrode Fouling) electrode_fouling标定漂移 (Calibration Drift) calibration_drift底板腐蚀穿孔 (Bottom Plate Perforation) bottom_plate_perforation底板焊缝开裂 (Bottom Weld Crack) bottom_weld_crack沉积物下腐蚀 (Under-deposit Corrosion) under_deposit_corrosion罐壁减薄 (Shell Thinning) shell_thinning焊缝裂纹 (Weld Crack) weld_crack保温层下腐蚀 (CUI) cui罐顶腐蚀穿孔 (Roof Corrosion) roof_corrosion浮盘卡涩/沉没 (Floating Roof Sticking) floating_roof_sticking密封泄漏→VOCs排放 (Seal Leak) seal_leak不均匀沉降 (Differential Settlement) differential_settlement混凝土开裂 (Concrete Crack) concrete_crack垫层破损→罐底腐蚀 (Pad Failure) pad_failure阀盘冻结/卡涩 (Freezing/Sticking) freezing_sticking密封面腐蚀→泄漏 (Seat Corrosion) seat_corrosion阻火芯堵塞 (Element Plugging) element_plugging阻火芯腐蚀 (Element Corrosion) element_corrosion氮气供应中断 (N2 Supply Loss) n2_supply_loss调节阀故障 (Control Valve Failure) control_valve_failure天线结垢→信号衰减 (Antenna Fouling) antenna_fouling电子单元故障 (Electronics Failure) electronics_failure钢丝卡涩/断裂 (Wire Sticking) wire_sticking浮子穿孔 (Displacer Perforation) displacer_perforation开关触点腐蚀 (Contact Corrosion) contact_corrosion浮球卡涩 (Float Sticking) float_sticking
报告号 2008-06-I-WV · 数据取自 CSB 公开调查结论，由可靠性 AI 整理，仅作可靠性展示用途。 本卡案例来自公开事故调查报告，仅供学习参考，AIM 不背书、不保证其准确性。